AQR - 1314 - Apr 21- Logs

Solve with common bases

4^(x+35) = 64^(x-3)

• 19

• 20

• 21

• 22

Evaluate

log₃81=???

• 3

• 4

• 5

• 6

Solve this problem (one log on one side)

log₃(4x-17) = 5

• 65

• 66

• 67

• 68

Evaluate with your calculator

log₂(427)

• 128.540

• 0.114

• 8.738

log₄1 = 

• 0
• 1
• 4
• DNE

log₂(x + 2) + log₂x  = 3

• -4, 2
• -2, 4
• 2
• 1

• 5
• 13
• 84
• -20

Tags

CCSS.HSF.BF.B.5

Rewrite 1.6^(x+2) = 14.1

• log_1.614.1 = x+2

• log_1.6(x+2) = 14.1

• log_14.1(x+2) = 1.6

• log_(x+2)1.6 = 14.1

Tags

CCSS.HSF.BF.B.5

Without a calculator, list the following in order, least to greatest:

A) log₅ 30

B) log_0.25 32

C) log₇ 49

D) log₈ 40

• A,B,C,D

• A,B,D,C

• B,D,C,A

• B,D,A,C

Expand log₅(u³v⁵)

• 1/2(log₅u+log₅v+log₅uw)
• 5 log₅ u - 15 log₅ v 
• log₅u + log₅v +3 log₅w
• 3 log₅u + 5 log₅v